نتایج جستجو برای: high intensity focused ultrasound
تعداد نتایج: 2412920 فیلتر نتایج به سال:
Beauty treatment for skin requires a high-intensity focused ultrasound (HIFU) transducer to generate coagulative necrosis in a small focal volume (e.g., 1 mm³) placed at a shallow depth (3-4.5 mm from the skin surface). For this, it is desirable to make the F-number as small as possible under the largest possible aperture in order to generate ultrasound energy high enough to induce tissue coagu...
Materials and method 110 leiomyomas in 98 women (average age 39,3 years) were treated with MRI-guided focused ultrasound (MRgFUS). The treatment is carried out using the ablative properties of the HIFU system under 3T MRI guide. Symptoms (e.g. menorrhagia, pelvic pain) were scored using Severity Score (SS) and quality of life was determined using the UFS-QOL score. Pre-treatment measurementes o...
Background/introduction MR guided high-intensity focused ultrasound (HIFU) ablation is increasingly being used worldwide to treat symptomatic uterine fibroids because of its excellent therapeutic efficacy in controlling symptoms and its excellent safety record. High signal intensity on T2WI MR images of fibroids is firstly considered a factor that induces poor ablation outcomes. Nevertheless, t...
Background A majority of patients (85-90%) diagnosed with pancreatic cancer has advanced disease at the time of diagnosis with a dismal prognosis. Pain is a common symptom in patients (60-90%) with advanced disease. Pain is neuropathic and inflammatory, resulting from both tumour expansion and tumour invasion of the celiac and mesenteric plexus. Opioids have side effects and may not be sufficie...
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